How to use this tool?

This free online converter lets you convert code from JavaScript to Fsharp in a click of a button. To use this converter, take the following steps -

  1. Type or paste your JavaScript code in the input box.
  2. Click the convert button.
  3. The resulting Fsharp code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from JavaScript to Fsharp using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

JavaScript

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Fsharp

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

JavaScript

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Fsharp

Key differences between JavaScript and Fsharp

CharacteristicJavaScriptFsharp
SyntaxJavaScript has a C-like syntax with curly braces and semicolons.F# has a functional-first syntax with significant whitespace and optional semicolons.
ParadigmJavaScript supports multiple paradigms including object-oriented, imperative, and functional programming.F# is a functional-first programming language.
TypingJavaScript is dynamically typed.F# is statically typed.
PerformanceJavaScript is generally slower compared to statically typed languages.F# is a statically typed language that can provide better performance.
Libraries and frameworksJavaScript has a wide range of libraries and frameworks available, including popular ones like React, Angular, and Node.js.F# has a smaller ecosystem of libraries and frameworks compared to JavaScript, but it can interoperate with .NET libraries.
Community and supportJavaScript has a large and active community with extensive support resources.F# has a smaller community compared to JavaScript, but it has dedicated support from the F# Software Foundation.
Learning curveJavaScript has a relatively low learning curve, especially for beginners.F# has a steeper learning curve, especially for programmers without prior functional programming experience.